Question

what is longitude and lithosphere ?

Answer 1

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here is u r answer !!

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LONGITUDE :-

THE ANGULAR DISTANCE MEASURED ALONG THE EQUATOR , BETWEEN THE MERIDIAN THROUGH A GIVEN POINT AND A STANDARD OR PRIME MERIDIAN.

LITHOSPHERE :-

THE SOLID CRUST OF THE EARTH IS CALLED LITHOSPHERE.

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Answer 2

Here is your answer :

Longitude, is a geographic coordinate that specifies the east-west position of a point on the Earth's surface. It is an angular measurement, usually expressed in degrees and denoted by the Greek letter lambda. 
Or
Longitude is the angular distance of a place east or west of the Greenwich meridian, or west of the standard meridian of a celestial object, usually expressed in degrees and minutes.

And

A lithosphere is the rigid, outermost shell of a terrestrial-type planet, or natural satellite, that is defined by its rigid mechanical properties.
Or
Lithosphere is the rigid outer part of the earth, consisting of the crust and upper mantle.
"the lithosphere comprises a number of plates"